Abstract: Nowadays communication technologies that support organizational communication became commonlymore
usedthan in the past, the question of how they are perceived richness between tradition and modern communication. This
study aims to examine most used communication channels among seven communication channels namely: face-to-face,
addressed document, mobile telephone, fixed line telephone, SMS, E-mails, and Facebook based on role understanding
competency. The findings revealed that most used communication channel was e-mail followed by addressed documents,
face-to-face, land line telephone, mobile telephone, SMS and Facebook. The results also showed that there is negative
relationship between the role understanding competency and the level of effectiveness of communication channels.
Keywords- role understanding competency; media richness; communication channels